save project

diy2.py

+i=3
 username = "python"
 userpassword = "123456"
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        breack
-    if name!= username:
-        print("用户名输入有误，请重新输入")
-    if password!=userpassword:
-        print("用户密码输入有误，请重新输入")
+    if i>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i-=1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if name!= username:
+            print("用户名输入有误，请重新输入")
+            continue
+        if password!=userpassword:
+            print("用户密码输入有误，请重新输入")
+    else:
+        print("你的账号以被锁定，请奢带身份证来公司解锁")  
+        exit()      
 print("欢迎来到贝尔编程!")
+